Steam generator inspection device

A technology of steam generator and inspection device, which is applied in steam generation, steam boiler, optical device exploration, etc., can solve problems such as unidentified, difficult visual inspection or foreign body removal operations.

Pending Publication Date: 2020-08-04
DOOSAN HEAVY IND & CONSTR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] However, the above-mentioned device adopts a method in which the operator manually inserts the endoscope camera head into the gap of the heat pipe through the guide rail, and the operator must repeatedly perform the process of inserting and taking out the endoscope camera head for confirmation. The work is complicated, and it i...

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Embodiment Construction

[0079] Next, preferred embodiments of a steam generator inspection device to which the present invention is applied will be described with reference to the accompanying drawings.

[0080] In addition, the terms used later are defined in consideration of the functions in the present invention, and may change according to the user's intention or practice, and the following examples are not intended to explain the present invention The scope of the claims is not limited, but is only an exemplary content of the constituent elements disclosed in the claims of the present invention.

[0081] In order to clearly describe the present invention, parts irrelevant to the description are omitted, and the same reference symbols are assigned to the same or similar constituent elements throughout the specification. Throughout the specification, when it is stated that a certain part "includes" a certain constituent element, unless otherwise clearly stated to the contrary, it does not mean tha...

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Abstract

The present invention relates to a steam generator inspection device capable of inspecting whether there is foreign matter in a gap of a heat-conducting tube bundle. The provided steam generator inspection device includes: a frame part installed on the outer side of a steam generator through a hand hole of the steam generator; a rail guide part, which is installed in the frame part in such a way that a part of the rail guide part passes through the hand hole and protrudes into the steam generator; a rail part, which is arranged inside the steam generator through the rail guide part; an inspection part movably mounted on the rail part and equipped with an inspection camera; and a driving part for driving the rail part and the inspection part.

Description

technical field [0001] The invention relates to a steam generator inspection device, in particular to a steam generator inspection device (inspection device for steam generator) capable of inspecting whether there are foreign objects in gaps of heat conducting tube bundles. Background technique [0002] Generally, a nuclear power plant uses a steam generator to generate the steam required to generate electricity using a steam turbine and a generator. [0003] The inside of the steam generator is equipped with a plurality of heat transfer pipes in a bundle form, and the above heat transfer pipes perform heat exchange between the primary system water containing radiant energy and the secondary system water for driving the turbine rotation , can play the function of separating the first-level system water and the second-level system water. [0004] During the steam generation process of the steam generator, the 1st stage system water which is heated in the process of passing t...

Claims

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Application Information

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IPC IPC(8): G01V8/10
CPCG01V8/10Y02E30/30F22B37/003G21C17/017
Inventor 杨星圭金在镐朴钟熙金德镒
Owner DOOSAN HEAVY IND & CONSTR CO LTD
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